Glacier C Lucerna Tecti by Jiao Zhao and Ruien Sun

Glacier C Lucerna Tecti by Jiao Zhao and Ruien Sun is a highly esteemed winner of the very prestigious 2026 Praemium A' Design Award Ferreum in Designatio Luminarium Competition Category.

FerrumLuminaria· 2026

Glacier C Lucerna Tecti

by Jiao Zhao and Ruien Sun

Client: Moorgen

Praemium A' Design Award Ferreum Winner in Luminaria Category

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Verified Award Winner
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Colors

The Design

About Glacier C Lucerna Tecti

Glacier C est lucerna tecti pro spatiis habitandi hodiernis excogitata. Corpus lucernae ex crystallo quartzi naturali factum est, subtiliter politum ut rudis lapidis textura servetur. Compages interior ex alumini mixtura crystallum sustinet, dum structura diffundens propria et moduli LED lucem mollem et aequabilem spargunt. Anguli sectionis formas stratificatas glaciei glacialis revocant. Fila occultata et instrumenta inserta lucernae speciem quasi pendentis praebent. Systema intelligens lucis temperandae scaenas luminis praefinitas per instrumentum remotum vel applicationem mobilem permittit. Duae longitudines praesto sunt, 1000 mm et 1200 mm.

The Recognition

About the Praemium A' Design Award Ferreum

Glacier C Lucerna Tecti victor est Praemii A' Design Award Ferreum, honoris amplissimi formis bonis dati, quae postulatis professionalibus et industrialibus ab creationibus bene formatis exspectatis satisfaciunt. Victores Ferrei magnam peritiam, altam specializationem, intellectum periti et facultatem creandi auctorum suorum ostendunt. Exspectatur Glacier C Lucerna Tecti creationem multum aestimatam, admiratam et carissimam, practicam et novam fore. Haec forma Ferreo victa optimas industriae consuetudines integrat et proprietates technicas idoneas, cum scientia et talento coniunctas, habet. Glacier C Lucerna Tecti ob diligentiam suam honoratur et ad vitae qualitatem emendandam formatum est, ut mundum meliorem reddere iuvet.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: This smart ceiling lamp uses natural quartz crystal as the main material for the lamp body. By simulating the interlocking forms and light-transmitting properties of polar ice crystals, it creates rich layers of light and shadow. The levitating installation and minimalist wiring design ensure visual purity and lightness. The smart dimming system is seamlessly integrated, making this lamp both a levitating sculpture of light and shadow and an intelligent companion for daily life.
Dimensions & Packaging: The product comes in two sizes: 1000mm x 80mm x 80mm and 1200mm x 80mm x 80mm.
Tags: Ceiling Lamp, Glacial form, Natural hairy crystal, Concealed wiring, Layered light and shadow
Production Technology: The lamp body is crafted from natural crystal rough stones, selected for quality and finely polished to preserve the natural form and raw texture of the material. An internal aluminum alloy framework ensures stable load-bearing capacity. Light passes through a custom diffusing structure and smart LED modules, delivering uniform and soft illumination. A simplified wiring system, combined with dedicated embedded components, creates a pristine visual effect as if floating in space.
Design Challenge: The core challenge lay in how to imbue the hard, cold crystal with the fluidity of glaciers and a rich interplay of light and shadow. We overcame this through precise experimentation with crystal cutting angles and a multi-layer diffusion structure. Achieving the highly accurate embedded installation required for the floating effect was equally complex; by developing modular embedded components and a tolerance adjustment mechanism, we ultimately ensured the design vision was flawlessly realized.
Research: This study focuses on integrating the form and luminous quality of glaciers into modern home lighting. Using natural crystal glass and multi-layer optics,it addresses the issues of harsh lighting and lack of decorative appeal found in traditional lamps.With minimalist wiring and smart dimming, it delivers a soft, adaptive light source while achieving visual purity. The result is an integrated lighting solution blending natural beauty, emotional ambiance, and smart convenience.
Inspiration: The design of this pendant lamp is inspired by crystal formation. Drawing inspiration from the crystalline structures of glaciers and their visual effect on light refraction, we seek to merge the unique luminosity of natural crystal with modern smart home technology. The material qualities of natural raw crystal resonate with glacial imagery, and its layered interplay of light and shadow offers a lighting solution that brings both natural artistry and minimalist aesthetics to contemporary living spaces.
Project Duration: Designed in Shanghai in December 2024, completed in July 2025.
Operation Flow: The included smart remote allows you to turn on the light with a simple press, initiating a soft, glacier like fade in illumination. Through the dedicated smart app, you can preset lighting scenes for activities like reading or relaxing, or sync the brightness with the natural daylight cycle. The core of its interaction lies in making light adjustment as intuitive as breathing, with technology subtly receding behind its natural texture.
Patents: Moorgen，2025
Team Members: Jiao Zhao
Ruien Sun
Image Credits: Moorgen，2025